melilites
/ˈmɛlɪˌlaɪts/
noun
- A group of silicate minerals found in some volcanic and metamorphic rocks, typically yellow, brown, or greenish.
- Under the microscope, the melilites showed a distinctive crystal structure.
- The mineral collector was excited to find melilites in the volcanic rock sample.
- Melilites are often studied to understand the formation of the Earth's mantle.